Yoshihiro Kumagai is a notable inventor based in Niigata, Japan. He has made significant contributions to the field of projection technology, holding a total of 6 patents. His work focuses on enhancing the quality of rear projection screens, which are essential for various display applications.

Latest Patents

Kumagai's latest patents include a rear projection screen with a shifted lens. The objective of this invention is to provide a rear projection screen that offers high contrast and produces high-quality images. This is achieved through a design that incorporates a vertical lenticular lens sheet on the viewer side. The lenticular lens is capable of vertically refracting the incident light, while black stripes are strategically placed to enhance image quality. Another significant patent is for a rear projection screen used in a rear projection display apparatus. This design features a Fresnel lens sheet, a horizontal lenticular lens sheet, and a vertical lenticular lens sheet, arranged to optimize light refraction and image clarity.

Career Highlights

Kumagai is currently employed at Kuraray Co., Ltd., where he continues to innovate in the field of projection technology. His work has been instrumental in advancing the capabilities of rear projection systems, making them more effective for various applications.

Collaborations

Throughout his career, Kumagai has collaborated with notable colleagues such as Ichiro Matsuzaki and Hajime Yamashita. These partnerships have contributed to the development of his innovative technologies and patents.

Conclusion

Yoshihiro Kumagai's contributions to projection technology through his patents reflect his commitment to innovation and quality. His work continues to influence the industry, paving the way for advancements in display technology.

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